Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) Insider Trading
Over the last 3 months, SBS insiders made 0 open-market buys and 5 sales, a net sale of -$110K (SEC Form 4). Over the last 6 months, 328 institutions increased and 84 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
5
Net (3m)
-$110.0K
Insider trades by month Buys Sells
May
Jun
Context3-month price -13.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 17, 2026 | Tavares de Sousa Robervalofficer: Engineering Officer | Sell | 5,900 | $5.74 |
| Jun 17, 2026 | Tavares de Sousa Samanta I.S.officer: Inst. Rel. & Sustain. Officer | Sell | 5,700 | $5.72 |
| Jun 17, 2026 | Szlak Danielofficer: Chief Financial Officer | Sell | 7,300 | $5.59 |
| Jun 17, 2026 | Szlak Danielofficer: Chief Financial Officer | Sell | 81 | $5.58 |
| Jun 16, 2026 | Szlak Danielofficer: Chief Financial Officer | Sell | 81 | $28.30 |
| May 29, 2026 | Tavares de Sousa Robervalofficer: Engineering Officer | Sell | 5,900 | $28.81 |
| May 27, 2026 | Tavares de Sousa Samanta I.S.officer: Inst. Rel. & Sustain. Officer | Sell | 5,700 | $28.61 |
Source: SBS SEC Form 4 filings, latest Jun 17, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SBS positions over the last 6 months (SEC Form 13F).
Increased
328
New positions
127
Reduced
84
Sold out
26
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| Impax Asset Management Group plc | Increased | 52.3M | Aug 11, 2026 |
| BlackRock, Inc. | Increased | 29.9M | Aug 7, 2026 |
| Amundi | Increased | 26.1M | Aug 11, 2026 |
| ROYAL LONDON ASSET MANAGEMENT LTD | Increased | 20.6M | Aug 13, 2026 |
| DEUTSCHE BANK AG\ | Increased | 19.2M | Aug 7, 2026 |
| WCM INVESTMENT MANAGEMENT, LLC | Increased | 15.9M | Aug 13, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 12.3M | Aug 14, 2026 |
| LETKO, BROSSEAU & ASSOCIATES INC | Increased | 12.1M | Aug 13, 2026 |
| UBS Group AG | Increased | 12.0M | Aug 13, 2026 |
| MACKENZIE FINANCIAL CORP | Increased | 11.0M | Aug 13, 2026 |
| MORGAN STANLEY | Increased | 9.9M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 9.4M | Aug 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 8.5M | Aug 12, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Increased | 7.9M | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 7.5M | Aug 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.